EKO MP-170 Operation Manual Download Page 2

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The products of EKO Instruments Co., Ltd. are designed and manufactured with

consideration of safety; however, unexpected accident may occur depending on the way

it is used. Therefore please thoroughly read this manual and operate the system correctly

by following this manual.

Warnings/Cautions

Neglecting this sign will invite serious or fatal

accidents.

Cautions of high voltage

High voltage is applied to this part. Neglecting

this sign will invite serious or fatal accidents.

Prohibitions

This sign indicates that you MUST NOT do it.

Obligations

This sign indicates that you MUST do it.

HAZARDOUS VOLTAGE

ELECTRIC HAZARD

Wear high-voltage rubber insulating gloves and boots

Check polarity (+/-) connections to array/module before
operation

Do not operate MP-170 in rainy or wet conditions

Do not open and disassemble MP-170

1. Safety Precautions

Summary of Contents for MP-170

Page 1: ...Conforms to CE marking April 2008 EKO Instruments Co Ltd Portable I V curve tracer I V Checker MP 170 Operation Manual...

Page 2: ...serious or fatal accidents Cautions of high voltage High voltage is applied to this part Neglecting this sign will invite serious or fatal accidents Prohibitions This sign indicates that you MUST NOT...

Page 3: ...r from PV module array Use cables and connection terminals that satisfy the stated electric power capacity for the PV device Connect them surely so that they will not come off from the connectors Do n...

Page 4: ...f MP 170 is in the 1 year guarantee period Cautions about operation manual Before operating MP 170 thoroughly read and understand this manual Keep this operation manual on hand to be able to use it wh...

Page 5: ...4...

Page 6: ...1 Important User Information CE Marking 4 2 Index 5 3 Outline of MP 170 6 4 Name and function of each part 10 5 Setting up 14 6 Operation 18 7 Software 33 8 Maintenance 50 9 Troubleshooting 50 10 Spe...

Page 7: ...terminal on the Sensor unit can be connected with not only EKO pyranometers MS 802 MS 402 and MS 601 reference cell and or thermocouple and the data can be stored The Main unit and the Sensor unit can...

Page 8: ...c measurement is possible up to 1 day by setting up the start and end measurement time and the interval When one day worth of data is measured with automatic measurement each of the following can be g...

Page 9: ...ignal type of wireless communication so they can be separated regardless the distance or the clearance The incident solar irradiance can be measures with Si pyranometer which is built in the Sensor un...

Page 10: ...nternal pyranometer 2 2 T type thermocouples 3 External pyranometer 4 Reference cell Sensor unit can be operated with without MP 170 Main unit MP 170 can be operated with without PC Battery and AC ada...

Page 11: ...d 5 PV Cable Black 6 Rear panel 7 Key pad 8 Dome protector 9 Sensor unit 10 Shoulder strap 11 AC adapter 12 USB cable The Main unit PC connection 13 T Thermocouple 3m x 2pcs 14 Modular cable The Main...

Page 12: ...andle place your hand here to carry the Main unit 4 DC power input from AC adapter 5 USB port use when down uploading data to from PC Rear panel 1 Modular inlet The Main unit the Sensor unit connectio...

Page 13: ...on The battery box does not have a charge function 4 4 Sensor unit 1 Angle capturer 8 Modular inlet 2 Dome Angle screen The Main unit the Sensor unit connection 3 Level 9 Battery box 006P x 1pc 4 Buil...

Page 14: ...ometer input 15mV Temp1 T Thermocouple input Used for PV module back side temperature and STC conversion Temp2 T Thermocouple input Recorded into data Normally use for air temperature To use EXTERNAL...

Page 15: ...t the terminal if necessary DC line configuration PV power should be blocked from any load such as an inverter or power conditioner for I V curve measurement Arrange the connection or inverter setting...

Page 16: ...PV inputs Red Black Gator grips of PV cables are connected to PV DC outputs c The Sensor unit Connect the Main unit and the Sensor unit by the modular cable 2 Fastening the shoulder strap Fasten the s...

Page 17: ...n the Main unit power e When the LCD display on the Main unit changes to Menu screen then the time is synchronized If error message appears check whether the modular cable or the Sensor unit power swi...

Page 18: ...aded and place the Angle Capturer back on the Sensor unit 7 Adjust the Sensor unit s direction and angle so that the shadow spots of the markers that were taken earlier will be in same position on the...

Page 19: ...p Down Select menu items Screen switches from main menu to monitoring screen Left Right Change menu and data items Enter Go to next menu or confirm input item Return Back to the item before Ten key Nu...

Page 20: ...connection and time is synchronized between the Main unit and the Sensor unit the main menu screen is shown When Powering on Sensor unit appears A Check the connection and power of the sensor unit B...

Page 21: ...the Main unit without any warning messages and so on Go through this process for each use of the Sensor unit If the time did not get synchronized it may not be able to upload the data from the Sensor...

Page 22: ...rising of the internal temperature may shorten the life of the device After confirming the connection press MEASURE and MP 170 starts measurement NOTE Before starting the measurement set the calibrat...

Page 23: ...he PV module array for subjected to measure The below ranges can be selected by pressing L R key I I I I V V V V 001 001 001 001 CONFIGURE CONFIGURE CONFIGURE CONFIGURE SYSTEM SYSTEM SYSTEM SYSTEM AUT...

Page 24: ...e s parameter then press ENTER The parameter is saved with the name just entered When taking only the I V curve measurement without using the Sensor unit select the MAIN UNIT ONLY on the 01 PARAMETER...

Page 25: ...O Sensor PYR Current Range AUTO Name EKOTEST1 Cal 7 00 mV kW m2 Range and pyranometer 01 PARAMETER 1 2 Irradiance and temp 01 PARAMETER EDIT YES Set Irr Temp Sensor Unit selection 01 PARAMETER EDIT MA...

Page 26: ...EDIT Voltage Range AUTO Current Range AUTO Name EKOTEST1 Range selection 01 PARAMETER EDIT USE SENSOR UNIT Using Sensor Unit MAIN UNIT ONLY Using only Main Unit YES Set solar irradiance and temperatur...

Page 27: ...c measurement can be done in the following procedure Voltage Range AUTO Sensor PYR Current Range AUTO Name EKOTEST1 Cal 7 00 mV kW m2 Range and pyranometer 01 PARAMETER 1 2 Connection S 01 P 01 Alpha...

Page 28: ...he maximum value of the PV device is already known taking measurements with fixed range is recommended as much as possible Long period of AUTO MEASUREMENT cannot be performed limited up to 1 day IV cu...

Page 29: ...the System menu screen The LCD contrast adjustment screen is displayed Adjust LCD contrast with the indicator by using L R keys C Download the sensor unit data 1 Connect MP 170 and Sensor unit with a...

Page 30: ...s dI dV V Curve Voltage V on X axis derivative value on Y axis Measurement information Characteristic value 1 2 Characteristic value 2 2 Repeated SEARCH Search saved data Irr vs Parm Graph Display the...

Page 31: ...s is power and the Peak of P V curve in this condition is called Pmax Differential curve Voltage V on X axis dI dV on Y axis Differential curve takes the differential values of current against the vol...

Page 32: ...c 4 84 Isc 4 84 Isc 4 84 Isc 4 84 A A A A Vpm Vpm Vpm Vpm 5 52 V 5 52 V 5 52 V 5 52 V Pm 12 88 W Pm 12 88 W Pm 12 88 W Pm 12 88 W Voc 11 12 V Voc 11 12 V Voc 11 12 V Voc 11 12 V Ipm Ipm Ipm Ipm 2 33 A...

Page 33: ...display Isc Isc Isc Isc Irr Irr Irr Irr Irr Irr Irr Irr vs Isc vs Isc vs Isc vs Isc Irr vs Isc graph display Irr vs Isc graph display Irr vs Isc graph display Irr vs Isc graph display Irr Irr Irr Irr...

Page 34: ...languages This will cause a deformed graph curve To prevent this please check the following setting and change the decimal point setting from comma to period 1 From the Start menu on the Window open C...

Page 35: ...n on WindowsXP USB Serial Converter driver Installation 1 Start up the Windows on the PC and power on the Main unit 2 Connect the Main unit and PC with USB cable 3 Windows finds New device USB Serial...

Page 36: ...It is the same folder as the USB Serial Converter driver Click OK 7 Make sure the selected folder name appears on the including the following location Click Next 8 USB Serial Port driver installation...

Page 37: ...the Window 2 Select Add Delete Program 3 Click the Change and Delete button on the FTDI USB Serial Converter Drivers 4 The dialog box appears click Continue button 5 On the next dialog box appears cl...

Page 38: ...ith the Measure tab on top The Measure tab functions are the measurement and each setup functions Each button function is described below Always on Top This window is always on top Save Data Save meas...

Page 39: ...Time and Interval Data Folder Set the measurement data folder Converted Data Folder Set the converted data folder When finished entering click OK button If Cancel button is clicked the entered settin...

Page 40: ...l be useful for organizing the data afterwards Therefore it is recommended to enter in each time the measurement condition is changed Also these items will be saved in the data file PV Device Area The...

Page 41: ...n the Ref Solar Irradiance button is clicked the dialog box shown above is displayed Select the sensor which measures the solar irradiance Choose either the pyranometer or the reference cell Enter the...

Page 42: ...cting the same file Click Open O after choosing the file However even though the parameter file downloaded here contains the PV device parameter information they will not be uploaded on the Main unit...

Page 43: ...inishing the data transfer Data are stored in the Data Folder of General setting tab J COM Port Error Message After clicking Start Load Data or Adjust Time the error message COM Port Upload Error may...

Page 44: ...ber again 2 Graph window A How to use Calendar Click the date dropdown button the calendar is displayed If the year is clicked on the calendar the up down arrow is displayed Click the left arrow on th...

Page 45: ...day is displayed in timely order Click the date of data to be graphed the row is indicated as selected Click Graph button in this condition will display the graph Also the data can be graphed for the...

Page 46: ...ch button are described A Irr vs Parm window Measurement time Click to select the date from calendar Press here and all data are selected Press here to cancel Data list Select save method of text data...

Page 47: ...k View Graph Includes Low Irradiance Data Display all data if data was measured under the solar irradiance that set as Threshold Irradiance Irr Voc Graph X axis Solar irradiance W m2 Y axis Voc V The...

Page 48: ...e is 001 Data extension is MDF I V curve converted data yyyymmddhhmmssxxx CSV Example 20071215103510001 CSV Measurement in 2007 Dec 15 at 10h35m10s Data sequence is 001 Data extension is CSV PV parame...

Page 49: ...ies Resistance Rs ohm 0 4 Curve Correction Factor Kappa ohm degC 0 01 Series Modules 24 Parallel Modules 1 Solar Irradiance Er W m 2 85 176286 PV Device Temp degC 13 6843 Isc A 1 675681 Voc V 348 5285...

Page 50: ...ge V Current Range A Sampling Pitch uS Sensor Calibration Constant Er cal mV kW m 2 PV Device Area m 2 Current Temp Coef A degC Voltage Temp Coef V degC Series Resistance Rs ohm Curve Correction Facto...

Page 51: ...number has not changed after removing the USB cable reinstall the USB driver and repeat this procedure 9 2 Measurement errors Unable to measure I V curve a Confirm that output voltage current and pow...

Page 52: ...tion is too high The resistance amounts on MP 170 s measuring circuit and the cable are influencing this problem This happens when using low voltage and high current PV devices The power does not come...

Page 53: ...tor 0 1 Range settings Voltage 10V 100V 1000V AUTO Current 2A 10A 20A AUTO Interface Main unit PC USB Main unit Sensor Unit RS 485 Key operation numeric keypad cursor key function key flat panel keybo...

Page 54: ...measurement for the second time or later Loading configuration parameter and data from the main body of MP 170 Display of I V curve P V curve V T curve I T curve and dI dV V curve Display of daily com...

Page 55: ...54 http www eko co jp...

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